#include "device.h"
#include "interface.h"
#include "system.h"
+#include "ubus.h"
enum {
BRIDGE_ATTR_PORTS,
BRIDGE_ATTR_LAST_MEMBER_INTERVAL,
BRIDGE_ATTR_VLAN_FILTERING,
BRIDGE_ATTR_HAS_VLANS,
+ BRIDGE_ATTR_STP_KERNEL,
+ BRIDGE_ATTR_STP_PROTO,
__BRIDGE_ATTR_MAX
};
[BRIDGE_ATTR_LAST_MEMBER_INTERVAL] = { "last_member_interval", BLOBMSG_TYPE_INT32 },
[BRIDGE_ATTR_VLAN_FILTERING] = { "vlan_filtering", BLOBMSG_TYPE_BOOL },
[BRIDGE_ATTR_HAS_VLANS] = { "__has_vlans", BLOBMSG_TYPE_BOOL }, /* internal */
+ [BRIDGE_ATTR_STP_KERNEL] = { "stp_kernel", BLOBMSG_TYPE_BOOL },
+ [BRIDGE_ATTR_STP_PROTO] = { "stp_proto", BLOBMSG_TYPE_STRING },
};
static const struct uci_blob_param_info bridge_attr_info[__BRIDGE_ATTR_MAX] = {
.next = { &device_attr_list },
};
+static struct blob_buf b;
static struct device *bridge_create(const char *name, struct device_type *devtype,
struct blob_attr *attr);
static void bridge_config_init(struct device *dev);
+static void bridge_dev_vlan_update(struct device *dev);
static void bridge_free(struct device *dev);
+static void bridge_stp_init(struct device *dev);
static void bridge_dump_info(struct device *dev, struct blob_buf *b);
static enum dev_change_type
bridge_reload(struct device *dev, struct blob_attr *attr);
.create = bridge_create,
.config_init = bridge_config_init,
+ .vlan_update = bridge_dev_vlan_update,
.reload = bridge_reload,
.free = bridge_free,
.dump_info = bridge_dump_info,
+ .stp_init = bridge_stp_init,
};
struct bridge_state {
struct vlist_node node;
struct bridge_state *bst;
struct device_user dev;
+ struct uloop_timeout check_timer;
uint16_t pvid;
bool present;
bool active;
char name[];
};
-struct bridge_vlan_hotplug_port {
- struct list_head list;
- struct bridge_vlan_port port;
-};
-
static void
bridge_reset_primary(struct bridge_state *bst)
{
return 0;
}
+static void bridge_stp_notify(struct bridge_state *bst)
+{
+ struct bridge_config *cfg = &bst->config;
+
+ if (!cfg->stp || cfg->stp_kernel)
+ return;
+
+ blob_buf_init(&b, 0);
+ blobmsg_add_string(&b, "name", bst->dev.ifname);
+ if (cfg->stp_proto)
+ blobmsg_add_string(&b, "proto", cfg->stp_proto);
+ blobmsg_add_u32(&b, "forward_delay", cfg->forward_delay);
+ blobmsg_add_u32(&b, "hello_time", cfg->hello_time);
+ blobmsg_add_u32(&b, "max_age", cfg->max_age);
+ if (cfg->flags & BRIDGE_OPT_AGEING_TIME)
+ blobmsg_add_u32(&b, "ageing_time", cfg->ageing_time);
+ netifd_ubus_device_notify("stp_init", b.head, 1000);
+}
+
static int
bridge_enable_interface(struct bridge_state *bst)
{
if (bst->active)
return 0;
+ bridge_stp_notify(bst);
ret = system_bridge_addbr(&bst->dev, &bst->config);
if (ret < 0)
return ret;
return 0;
}
+static void
+bridge_stp_init(struct device *dev)
+{
+ struct bridge_state *bst;
+
+ bst = container_of(dev, struct bridge_state, dev);
+ if (!bst->config.stp || !bst->active)
+ return;
+
+ bridge_stp_notify(bst);
+ system_bridge_set_stp_state(&bst->dev, false);
+ system_bridge_set_stp_state(&bst->dev, true);
+}
+
static void
bridge_disable_interface(struct bridge_state *bst)
{
bridge_remove_member(bm);
+restart:
vlist_for_each_element(&bst->dev.vlans, vlan, node) {
struct bridge_vlan_hotplug_port *port, *tmp;
bool free_port = false;
continue;
vlist_delete(&bst->dev.vlans, &vlan->node);
+ goto restart;
}
- device_lock();
-
device_remove_user(&bm->dev);
+ uloop_timeout_cancel(&bm->check_timer);
/*
* When reloading the config and moving a device from one bridge to
device_set_present(dev, true);
}
- device_unlock();
-
free(bm);
}
uloop_timeout_set(&bst->retry, 100);
}
+static void
+bridge_member_check_cb(struct uloop_timeout *t)
+{
+ struct bridge_member *bm;
+ struct bridge_state *bst;
+
+ bm = container_of(t, struct bridge_member, check_timer);
+ bst = bm->bst;
+
+ if (system_bridge_vlan_check(&bst->dev, bm->dev.dev->ifname) <= 0)
+ return;
+
+ bridge_disable_member(bm, true);
+ bridge_enable_member(bm);
+}
+
static void
bridge_member_cb(struct device_user *dep, enum device_event ev)
{
system_if_apply_settings(&bst->dev, &bst->dev.settings,
DEV_OPT_MTU | DEV_OPT_MTU6);
break;
+ case DEV_EVENT_LINK_UP:
+ if (bst->has_vlans)
+ uloop_timeout_set(&bm->check_timer, 1000);
+ break;
case DEV_EVENT_LINK_DOWN:
if (!dev->settings.auth)
break;
bm->bst = bst;
bm->dev.cb = bridge_member_cb;
bm->dev.hotplug = hotplug;
+ bm->check_timer.cb = bridge_member_check_cb;
strcpy(bm->name, name);
bm->dev.dev = dev;
vlist_add(&bst->members, &bm->node, bm->name);
}
static struct bridge_vlan *
-bridge_hotplug_get_vlan(struct bridge_state *bst, unsigned int vid)
+bridge_hotplug_get_vlan(struct bridge_state *bst, uint16_t vid)
{
struct bridge_vlan *vlan;
vlan = calloc(1, sizeof(*vlan));
vlan->vid = vid;
vlan->local = true;
- vlan->node.version = -1;
INIT_LIST_HEAD(&vlan->hotplug_ports);
vlist_add(&bst->dev.vlans, &vlan->node, &vlan->vid);
+ vlan->node.version = -1;
return vlan;
}
+static struct bridge_vlan_hotplug_port *
+bridge_hotplug_get_vlan_port(struct bridge_vlan *vlan, const char *ifname)
+{
+ struct bridge_vlan_hotplug_port *port;
+
+ list_for_each_entry(port, &vlan->hotplug_ports, list)
+ if (!strcmp(port->port.ifname, ifname))
+ return port;
+
+ return NULL;
+}
+
static void
-bridge_hotplug_create_member_vlans(struct bridge_state *bst, struct blob_attr *vlans, const char *ifname)
+bridge_hotplug_set_member_vlans(struct bridge_state *bst, struct blob_attr *vlans,
+ const char *ifname, struct bridge_member *bm, bool add)
{
struct bridge_vlan *vlan;
struct blob_attr *cur;
if (!vlan)
continue;
+ if (vlan->pending) {
+ vlan->pending = false;
+ bridge_set_vlan_state(bst, vlan, true);
+ }
+
if (end && *end) {
if (*end != ':')
continue;
}
}
+ port = bridge_hotplug_get_vlan_port(vlan, ifname);
+ if (!add) {
+ if (!port)
+ continue;
+
+ __bridge_set_member_vlan(bm, vlan, &port->port, false);
+ list_del(&port->list);
+ free(port);
+ continue;
+ }
+
+ if (port) {
+ if (port->port.flags == flags)
+ continue;
+
+ __bridge_set_member_vlan(bm, vlan, &port->port, false);
+ port->port.flags = flags;
+ __bridge_set_member_vlan(bm, vlan, &port->port, true);
+ continue;
+ }
+
port = calloc_a(sizeof(*port), &name_buf, strlen(ifname) + 1);
if (!port)
continue;
port->port.flags = flags;
port->port.ifname = strcpy(name_buf, ifname);
list_add_tail(&port->list, &vlan->hotplug_ports);
+
+ if (!bm)
+ continue;
+
+ __bridge_set_member_vlan(bm, vlan, &port->port, true);
}
}
bridge_hotplug_add(struct device *dev, struct device *member, struct blob_attr *vlan)
{
struct bridge_state *bst = container_of(dev, struct bridge_state, dev);
+ struct bridge_member *bm;
- bridge_hotplug_create_member_vlans(bst, vlan, member->ifname);
- bridge_create_member(bst, member->ifname, member, true);
+ bm = vlist_find(&bst->members, member->ifname, bm, node);
+ bridge_hotplug_set_member_vlans(bst, vlan, member->ifname, bm, true);
+ if (!bm)
+ bridge_create_member(bst, member->ifname, member, true);
return 0;
}
static int
-bridge_hotplug_del(struct device *dev, struct device *member)
+bridge_hotplug_del(struct device *dev, struct device *member, struct blob_attr *vlan)
{
struct bridge_state *bst = container_of(dev, struct bridge_state, dev);
struct bridge_member *bm;
if (!bm)
return UBUS_STATUS_NOT_FOUND;
+ bridge_hotplug_set_member_vlans(bst, vlan, member->ifname, bm, false);
+ if (!bm->dev.hotplug)
+ return 0;
+
vlist_delete(&bst->members, &bm->node);
return 0;
}
struct blob_attr *cur;
/* defaults */
+ memset(cfg, 0, sizeof(*cfg));
cfg->stp = false;
- cfg->forward_delay = 2;
+ cfg->stp_kernel = false;
cfg->robustness = 2;
cfg->igmp_snoop = false;
cfg->multicast_querier = false;
cfg->priority = 0x7FFF;
cfg->vlan_filtering = false;
+ cfg->forward_delay = 8;
+ cfg->max_age = 10;
+ cfg->hello_time = 1;
+
if ((cur = tb[BRIDGE_ATTR_STP]))
cfg->stp = blobmsg_get_bool(cur);
+ if ((cur = tb[BRIDGE_ATTR_STP_KERNEL]))
+ cfg->stp = blobmsg_get_bool(cur);
+
+ if ((cur = tb[BRIDGE_ATTR_STP_PROTO]))
+ cfg->stp_proto = blobmsg_get_string(cur);
+
if ((cur = tb[BRIDGE_ATTR_FORWARD_DELAY]))
cfg->forward_delay = blobmsg_get_u32(cur);
cfg->flags |= BRIDGE_OPT_AGEING_TIME;
}
- if ((cur = tb[BRIDGE_ATTR_HELLO_TIME])) {
+ if ((cur = tb[BRIDGE_ATTR_HELLO_TIME]))
cfg->hello_time = blobmsg_get_u32(cur);
- cfg->flags |= BRIDGE_OPT_HELLO_TIME;
- }
- if ((cur = tb[BRIDGE_ATTR_MAX_AGE])) {
+ if ((cur = tb[BRIDGE_ATTR_MAX_AGE]))
cfg->max_age = blobmsg_get_u32(cur);
- cfg->flags |= BRIDGE_OPT_MAX_AGE;
- }
if ((cur = tb[BRIDGE_ATTR_BRIDGE_EMPTY]))
cfg->bridge_empty = blobmsg_get_bool(cur);
list_splice_init(&vlan_old->hotplug_ports, &vlan_new->hotplug_ports);
if (node_new)
- bridge_set_vlan_state(bst, vlan_new, true);
+ vlan_new->pending = true;
bst->dev.config_pending = true;
bridge_vlan_free(vlan_old);
}
+static void
+bridge_dev_vlan_update(struct device *dev)
+{
+ struct bridge_state *bst = container_of(dev, struct bridge_state, dev);
+ struct bridge_vlan *vlan;
+
+ vlist_for_each_element(&dev->vlans, vlan, node) {
+ if (!vlan->pending)
+ continue;
+
+ vlan->pending = false;
+ bridge_set_vlan_state(bst, vlan, true);
+ }
+}
+
static struct device *
bridge_create(const char *name, struct device_type *devtype,
struct blob_attr *attr)